package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

  /**
   * 捕获业务异常
   * @param ex
   * @return
   */
  @ExceptionHandler
  public Result exceptionHandler(BaseException ex) {
    log.error("异常信息：{}", ex.getMessage());
    return Result.error(ex.getMessage());
  }

  /**
   * Sql异常
   * @param ex
   * @return Result
   */
  @ExceptionHandler
  public Result exceptionHandler(SQLIntegrityConstraintViolationException ex) {
    log.info("捕获到Sql异常,{}",ex.getMessage());
    String message = ex.getMessage();
    if(message.contains("Duplicate entry")){
      String username = message.split(" ")[2];
      return Result.error(username + MessageConstant.ALREADY_EXISTS);
    }
    return Result.error(MessageConstant.UNKNOWN_ERROR);
  }

}
